Dosage: Curative, 10,000 units (U.S.P.); protective, 1,500 units (U.S.P.); both hypodermic.

*Serum Antitetanicum Siccum (Ser. Antitetan. Sicc.), Dried Antitetanic Serum, U.S.P. (Dried Tetanus Antitoxin).

Uses: May be used as a dusting powder in suspicious wounds.

Dosage: Curative, 10,000 units (U.S.P.); protective, 1,500 units (U.S.P.); both hypodermic.

Sevum Praeparatum (Sev. Praep.), Prepared Suet, U.S.P. (Mutton Suet).

A white, solid, almost odorless fat, having a bland taste when fresh, but becoming rancid on prolonged exposure to air.

Action and Uses: Used in the preparation of ointments and cerates.

Sevum Benzoinatum (Sev. Benz.), Benzoinated Suet, N.F.—Benzoin (3%) in prepared suet.

Uses: Ointment base; superfluous.

Sinapis Alba (Sinap. Alb.), White Mustard, U.S.P. (Yellow Mustard).—Ripe seeds.